Exposure
ID
MATIS.2025-07-17T05:57:18.928_1
Header ID
MATIS.2025-07-17T05:57:18.928
Date updated
2025-07-17 06:06:07 UTC+0000
Release date
2025-07-17 05:57:18 UTC+0000
UTC Start
2025-07-17 05:57:18.928
UTC End
2025-07-17 05:58:18.936
MJD Start
60873.24813574
MJD End
60873.24883027704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004661
Ambient temperature (°C)
13.86
Seeing (arcsec)
1.06
Observation
ID
68812
Category
calibrator
Program ID
115.27VC.005
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
51193
Name
eps Sgr
RA
276.041374
DEC
-34.38532
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 84.8360 84.7620 140.3000 140.5000
A0-J2 112.4410 112.2320 116.7000 116.9000
A0-K0 106.3370 106.0750 91.5480 91.6950
G1-J2 48.5340 48.4210 72.4000 72.5000
G1-K0 81.3200 81.2260 39.8690 39.9340
J2-K0 48.0670 48.0630 7.0220 7.1330
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60873.24813574
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041374
DEC -34.38532
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 84.836
HIERARCH ESO ISS PBL12 END 84.762
HIERARCH ESO ISS PBLA12 START 140.3
HIERARCH ESO ISS PBLA12 END 140.5
HIERARCH ESO ISS PBL13 START 112.441
HIERARCH ESO ISS PBL13 END 112.232
HIERARCH ESO ISS PBLA13 START 116.7
HIERARCH ESO ISS PBLA13 END 116.9
HIERARCH ESO ISS PBL14 START 106.337
HIERARCH ESO ISS PBL14 END 106.075
HIERARCH ESO ISS PBLA14 START 91.548
HIERARCH ESO ISS PBLA14 END 91.695
HIERARCH ESO ISS PBL23 START 48.534
HIERARCH ESO ISS PBL23 END 48.421
HIERARCH ESO ISS PBLA23 START 72.4
HIERARCH ESO ISS PBLA23 END 72.5
HIERARCH ESO ISS PBL24 START 81.32
HIERARCH ESO ISS PBL24 END 81.226
HIERARCH ESO ISS PBLA24 START 39.869
HIERARCH ESO ISS PBLA24 END 39.934
HIERARCH ESO ISS PBL34 START 48.067
HIERARCH ESO ISS PBL34 END 48.063
HIERARCH ESO ISS PBLA34 START 7.022
HIERARCH ESO ISS PBLA34 END 7.133
HIERARCH ESO ISS AMBI TAU0 START 0.004661
HIERARCH ESO ISS AMBI TAU0 END 0.004661
HIERARCH ESO ISS AMBI TEMP 13.86
HIERARCH ESO ISS AMBI FWHM START 1.06
HIERARCH ESO ISS AMBI FWHM END 1.06